INTRODUCTION AND DISCLAIMER: The 7Hz Eternal is an in-ear monitor (IEM) which uses a single 14.5mm dynamic driver with a liquid crystal polymer diaphragm. The Eternal was provided to me by Shenzhen Audio in exchange for my evaluation. The Eternal retails for $249. SOURCES: I have used the 7Hz Eternal with the following sources: Qudelix 5K E1DA 9038S I have tested the 7Hz Eternal with local lossless audio files and Spotify Premium. Visit my last.fm page to get an idea of what I listen to: XenosBroodLord’s Library | Last.fm PACKAGING AND ACCESSORIES...

INTRODUCTION AND DISCLAIMER: The Tanchjim Ola is an in-ear monitor (IEM) which uses a single 10mm dynamic driver with a graphene polymer diaphragm. The Ola was provided to me by Shenzhen Audio in exchange for my evaluation. The Ola retails for $39.99. SOURCES: I have used the Tanchjim Ola with the following sources: Qudelix 5K Hidizs S9 I have tested the Tanchjim Ola with local lossless audio files and Spotify Premium. Visit my last.fm page to get an idea of what I listen to: XenosBroodLord’s Library | Last.fm PACKAGING AND ACCESSORIES: The...

The Ikko Zerda ITM01 is a digital-to-analog converter and amplifier (DAC/AMP) combination unit. The ITM01 uses a proprietary magnetic device-side connector and has a 3.5mm single-ended output. The DAC chip used is a customized ESSS9298. The ITM01 retails for $59 on Ikko’s webstore. Ikko provided me with the ITM01 in exchange for my impressions. PACKAGING AND ACCESSORIES: The Ikko Zerda ITM01 comes in a rectangular clear plastic case. The ITM01 and a short cable with a USB-C transport-side termination are held in a foam mounting tray inside the case...

INTRODUCTION AND DISCLAIMER: The Dunu Titan S is an in-ear monitor (IEM) which uses a single 11mm dynamic driver with a polycondensated crystal polymer diaphragm. The Titan S was provided to me by Dunu in exchange for my evaluation. The Titan S retails for $79.99. SOURCES: I have used the Dunu Titan S with the following sources: Qudelix 5K Hidizs S9 I have tested the Dunu Titan S with local lossless audio files and Spotify Premium. Visit my last.fm page to get an idea of what I listen to: XenosBroodLord’s Library | Last.fm PACKAGING AND...

INTRODUCTION AND DISCLAIMER: The BQEYZ Autumn is an in-ear monitor (IEM) using a single 13mm dynamic driver with swappable tuning filters. Unlike most IEMs with swappable tuning filters, which use screw-in nozzle filters, the Autumn uses magnetic cap filters which cover the Autumn’s bass ports. The Autumn was provided to me by BQEYZ in exchange for my evaluation. The Autumn retails for $200. SOURCES: I have used the BQEYZ Autumn with the following sources: Qudelix 5K Hidizs S9 I have tested the BQEYZ Autumn with local FLAC and Spotify Premium...

The Audirect Beam 3 Pro is a compact digital-to-analog converter (DAC) and amplifier combination unit. The Beam 3 Pro was provided to me for review by ShenzhenAudio, where it is available for purchase for $149.99 HEADPHONES: I have used the Audirect Beam 3 Pro with the following headphones: HiFiMan HE400SE Sennheiser HD500A Moondrop S8 KZ CRN Tanchjim Tanya Moondrop Quarks MUSIC: I have tested this device with local FLAC and Spotify Premium. Visit my last.fm page to get an idea of what I listen to: XenosBroodLord’s Library | Last.fm PACKAGING...

INTRODUCTION AND DISCLAIMER: The KZ CRN, first introduced as the KZ ZEX Pro, is a hybrid in-ear monitor (IEM) using a 10mm dynamic driver and a 30095-pattern balanced armature in each housing. The CRN is a collaboration between KZ and the preeminent IEM reviewer Crinacle. The CRN was provided to me by KZ in exchange for my evaluation. The CRN is available on Amazon for $39. Crinacle is one of my foremost influences as a reviewer and I owe him a tremendous debt for helping to get started with taking frequency response measurements. Despite these...

INTRODUCTION AND DISCLAIMER: The TinHiFi T3 Plus is an in-ear monitor (IEM) using a single liquid crystal polymer diaphragm dynamic driver. The T3 Plus is currently on sale for around $70 at TinHiFi’s Official Store on AliExpress. I received the T3 Plus directly from TinHiFi in exchange for my impressions. SOURCES: I have used the TinHiFi T3 Plus with the following sources: Qudelix 5K Ikko ITM01 Audirect Beam 3 Pro MUSIC: I have tested these headphones with local FLAC and Spotify Premium. Visit my last.fm page to get an idea of what I listen to...

The Hidizs S3 Pro is a digital-to-analog converter and amplifier (DAC/AMP) combination unit in a dongle form factor. It has a 3.5mm single-ended output. The S3 Pro retails for $69.99 at HiFiGo. HiFiGo provided me with the S3 Pro in exchange for my impressions. PACKAGING AND ACCESSORIES: The Hidizs S3 Pro comes in a small black square plastic case with a black slipcover. The front of the slipcover is illustrated with the S3 Pro and is branded with the Hi-Res Audio, DSD, and MQA logos in addition to the Hidizs logo. Technical specifications for the...

INTRODUCTION AND DISCLAIMER: The SeeAudio Bravery is an in-ear monitor (IEM) using four balanced armatures (BAs) per housing. The SeeAudio Bravery retails for $279 at HiFiGo. I received the Bravery from HiFiGo in exchange for my impressions. SOURCES: I have used the SeeAudio Bravery with the following sources: Qudelix 5K Hidizs S9 Reiyin DA-PLUS MUSIC: I have tested these headphones with local FLAC and Spotify Premium. Visit my last.fm page to get an idea of what I listen to: XenosBroodLord’s Library | Last.fm PACKAGING AND ACCESSORIES: The...

INTRODUCTION AND DISCLAIMER: The Symphonium Audio Helios is an all-balanced armature (BA) in-ear monitor (IEM) using four BAs per housing. The Helios retails for $1099. I received the Helios through a review tour organized by Symphonium Audio. I had the Helios for around two weeks before writing my review. I am responsible for shipping costs to the next reviewer on the tour, and I am not being otherwise compensated for writing this review. I do count Toranku, one of the Subtonic collaborators responsible for the tuning of the Helios, as a formative...

INTRODUCTION AND DISCLAIMER: The Dunu Falcon Pro is an in-ear monitor (IEM) using a single dynamic driver. The driver uses Dunu’s proprietary ECLIPSƎ technology, first seen on the Dunu Luna, which I reviewed here. The Falcon Pro retails for $219. I received the Lyndale directly from Dunu in exchange for my impressions. SOURCES: I have used the Dunu Falcon Pro with the following sources: Qudelix 5K Hidizs S9 Hidizs S3 Pro MUSIC: I have tested these headphones with local FLAC and Spotify Premium. Visit my last.fm page to get an idea of what I listen...

The Audirect Atom 2 is a compact digital-to-analog converter (DAC) and amplifier combination unit which connects to the transport device via USB-C. The Atom 2 was provided to me for review by ShenzhenAudio, where it is available for purchase for $79.99. HEADPHONES: I have used the Audirect Atom 2 with the following headphones: Moondrop S8 Moondrop Variations Moondrop Quarks SeeAudio Yume Nicehck ME80 MUSIC: I have tested these headphones with local FLAC and Spotify Premium. Visit my last.fm page to get an idea of what I listen to...

INTRODUCTION AND DISCLAIMER: The CCA CSN is a hybrid in-ear monitor (IEM) using a 10mm dynamic driver and a 30095-pattern balanced armature in each housing. The CSN was provided to me by the Hifivo storefront on Amazon, where it is currently available for just under $22. SOURCES: I evaluated the CCA CSN with the Hidizs S9 and Spotify Premium. Visit my last.fm page to get an idea of what I listen to. PACKAGING AND ACCESSORIES: The CCA CSN comes in a small rectangular white box. The box pictures the CSN on the front and provides CCA’s contact...

INTRODUCTION AND DISCLAIMER: The Moondrop Variations is a tribrid in-ear monitor (IEM) using a dynamic driver, two balanced armatures (BA), and two electrostatic (EST) drivers per housing. The Variations retails for $520 at ShenzhenAudio. I received the Variations from ShenzhenAudio as part of a review tour. I have had the Variations for just over a month. ShenzhenAudio will cover shipping to the next reviewer on the tour, but I am not being otherwise compensated for writing this review. SOURCES: I have used the Moondrop Variations with the...

INTRODUCTION AND DISCLAIMER: The Tanchjim Tanya is an in-ear monitor (IEM) sporting a single 7mm dynamic driver. The Tanya is available at ShenzhenAudio for $23.99. I received the Tanya from ShenzhenAudio in exchange for a fair and objective review. This review is also available on my blog: https://medium.com/bedrock-reviews/tanchjim-tanya-review-b3ec2d08ce5e SOURCES: I have used the Tanchjim Tanya with the following sources: Hidizs S9 Qudelix 5K Audirect Atom 2 JDS Labs The Element I have tested these headphones with local FLAC and Spotify...

INTRODUCTION AND DISCLAIMER: The Cayin Fantasy is an in-ear monitor (IEM) advertised as using a “10.3mm dynamic driver unit with a dual-cavity design.” The Fantasy has a suggested retail price of $800. I had the Fantasy for 10 days as part of a review tour. I was financially responsible for shipping the Fantasy to the next reviewer on the tour and am not being otherwise compensated for writing this review. SOURCES: I used the Cayin Fantasy with the Hidizs S9’s single-ended 3.5mm output. I tested these headphones with Spotify Premium. Visit my...

INTRODUCTION AND DISCLAIMER: The Thieaudio Legacy 2 (L2) is an in-ear monitor (IEM) advertised as using a “proprietary closed-back 10mm beryllium dynamic driver” and a “Knowles ED29689 Balanced Armature (BA).” The L2 is available at Linsoul for $99. I received the L2 from Linsoul in exchange for a fair and objective review. SOURCES: I have used the Thieaudio L2 with the following sources: Hidizs S9 Qudelix 5K Audirect Atom 2 JDS Labs The Element I have tested these headphones with local FLAC and Spotify Premium. Visit my last.fm page to get an idea...

INTRODUCTION AND DISCLAIMER: The Kinera BD005 Pro is an in-ear monitor (IEM) advertised as using a “custom-tuned 30095 series high-frequency balanced armature (BA)” and a “9.2mm beryllium diaphragm dynamic driver (DD).” The BD005 Pro is available at HiFiGo for $49. I received the BD005 Pro from HiFiGo in exchange for a fair and objective review. Kinera’s claim that the BD005 Pro uses a beryllium diaphragm dynamic driver is worth parsing given that the BD005 Pro retails for $49, and the typical price of an IEM with a pure beryllium diaphragm DDs is...

INTRODUCTION AND DISCLAIMER: The TinHiFi T5 is an in-ear monitor (IEM) featuring a 10mm “DOC” dynamic driver. TinHiFi claims that DOC improves on the now-commonplace diamond-like carbon diaphragm dynamic driver type. The T5 is available at Linsoul for $129. I received the T5 from Linsoul in exchange for a fair and objective review. SOURCES: I have used the TinHiFi T5 with the following sources: Hidizs S9 Qudelix 5K I have tested these headphones with local FLAC and Spotify Premium. Visit my last.fm page to get an idea of what I listen to...